JPH02273103A - Tape seedling-making device - Google Patents

Abstract

PURPOSE:To make possible to perform operation without any trouble even in reuse of tape by changing relative position of at least one of sewing mechanism and tape to transverse direction of the tape. CONSTITUTION:Bundles (a) of crop seedlings arranged in fixed intervals along longitudinal direction of a tape 2 are sewed to the tape 2 with thread 9 sewed into the tape 2 by a sewing mechanism 23 relatively moving to longitudinal direction of the tape 2 to form a tape seedling. Then, relative position of at least one of the sewing mechanism 23 and the tape 2 is changed to transverse direction of the tape 2 by a mechanism 30 composed of a rotation shaft 32 extended from a frame 31 in cantilever-like and a guide 33 to be rotated with the rotation shaft 32 in one body and movable with sliding in the direction of shaft core (direction of the tape axis). As a result, the operation is can be performed without any trouble even in reuse of the tape.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention is a tape seedling making device mainly intended for crop seedling bundles such as straw grass and rye. The present invention relates to a tape seedling making device that creates tape seedlings by sewing crop seedling bundles arranged at intervals to the tape with a thread sewn into the tape by a sewing mechanism that moves relative to the longitudinal direction of the tape. .

[Conventional technology]

Conventionally, in this type of tape seedling making device, the sewing mechanism did not move relative to the width direction of the tape.

[Problem to be solved by the invention]

Therefore, when reusing a used tape,
The sewing needle may be inserted again over the hole that has already been opened, so even if the crop seedling bundle is sewn to the tape, the hole for the thread to pass through may be larger than necessary. Therefore, the tension of the thread may become weak and the tightening force against the end of the crop tooth may not be sufficient.

If this happens, adjacent bundles of crop seedlings may get too close and become entangled with each other, and the entangled bundles of crop seedlings may be fed into the planting device at the same time, or the entangled seedlings may be forcibly separated and damaged when they are separated. This may cause problems during planting.

An object of the present invention is to provide a tape that can be reused without any trouble by making some adjustments to the relative positions of the tape and the sewing mechanism.

[Means to solve the problem]

A feature of the present invention is that it includes a mechanism for changing the relative position of at least one of the sewing mechanism and the tape with respect to the width direction of the tape, and its effects are as follows.

[For production]

For example, as shown in FIG. 2, the relative position changing mechanism (30) moves the running position of the tape (2) in the width direction of the tape (2), and the sewing mechanism (
By changing the relative position of 23) with respect to the tape (2), the sewing needle (25) always acts at a position offset in the width direction from the existing hole by a certain distance.

〔Effect of the invention〕

Therefore, since the sewing needle is always inserted into a new surface, there is no possibility that the thread tension will be insufficient, and there will be fewer problems during planting (and the tape can be reused).

〔Example〕

The tape seedling creation device will be explained. As shown in Fig. 1, a large bundle of rushes as a crop seedling bundle (a) is manually divided into small bundles, and the culms are placed on a pair of left and right conveying devices (1) in the width direction of the conveying device (1). In addition to dropping and feeding the body with the body parallel to the body, a pair of left and right conveyance devices (1), (
A tape (2) that is located between 1) and moves while supporting the crop seedling bundle (a) is fed out from a feeding roll (3), and the tape (2) is moved between the conveying devices (1), (1) and the tape (2). A sewing mechanism (23) that conveys the crop seedling bundle (a) and sews the crop seedling bundle (a) placed on the tape (2) to the tape (2) on the lower side of the terminal end of the conveying device (1). ),
and a pair of upper and lower first driving rolls (40A) that drive the tape seedlings after sewing near the end of the conveying device (1).
, (40B), a pair of upper and lower second drive rolls (24A) that guide the tape seedlings downward at a position away from the transport device (1), (24B), and a seedling storage that stores the tape seedlings to be hung down in a vertically zigzag manner. Case (4) is provided.

The pair of left and right conveying devices (1), (1) include a drive chain (28) wound around a drive sprocket (8) and a driven sprocket (10), and each inner side of this drive chain (28). There is a receiving pin (29) that projects upward from the link (28A), and the crop seedling bundle (a) is placed between the receiving pins (29) located in the front and rear.
The structure is such that it is fed by dropping and conveyed by this receiving pin (29). As shown in FIG. 2, the sewing mechanism (23) and the tape are placed at an intermediate position between the driving sprocket (8) and the driven sprocket (10) by moving the tape (2) in its width direction. A mechanism (30) for changing the relative positional relationship with (2) in the width direction is provided. As shown in FIG. 2, this changing mechanism (30) has a rotating shaft (32) extending in a cantilevered manner from the frame (31), and is designed to rotate integrally with the rotating shaft (32) and in the axial direction. The guide body (33) is slidably movable in the tape width direction, and the guide body (33) is held in position by holding the tape (2) between the flanges (33a) at both ends. regulate. Then, tighten the set screws (34) and (34) shown in the figure (
When moved to position b), the distance (A) from the sewing needle (25) can be changed while keeping the width (Il) that regulates the position of the tape (2) constant. Therefore, even when reusing the tape (2), the tape (2) and the sewing mechanism (2)
By changing the relative position with the sewing needle (2)
5) will not be inserted into the existing hole.

The sewing mechanism (23) will be explained. A single sewing thread is used, and sewing needles (25), (25) move up and down to insert this sewing thread into the tape (2), and the tape (2) is moved by the operation of the up and down moving needles (25), (25).
Rotating arms (26), (26) are provided to form a loop by hooking the thread (9) passing through the rotating arms (26).
A new thread (9) is formed in the loop of the preceding thread (9) made in step 26) by the vertical movement of the next vertical movement needle (25) - times.
) is inserted, and the new thread (9) is held by the rotary arm (26), while a chain stitch type sewing mechanism (23) is configured to prevent removal. This sewing thread (9)
are arranged in two rows on the left and right, and the crop seedling bundles (
The structure of a) is adopted to stabilize the attachment posture.

On the other hand, in the seedling storage case (4), the seedling storage case (4)
) The hanging position of the tape seedlings is continuously changed by means of a guide roll (5) that moves from side to side above the taped seedlings, so that the tapeed seedlings are stored in a zigzag state.

As shown in Fig. 1, this guide roll (5) is fixed to the tip of a support arm (7) fixed to one link of a rotating chain (6) driven in a vertical manner. The arm (7) is bent into an L-shape when viewed from the side, and its tip is positioned on a line connecting the left-right reversal center of the rotation chain (6), so that the rotation chain (6) cannot be moved in a certain direction. Also in rotation, it reciprocates on a line connecting the left/right inversion center. The tape seedlings are folded into a zigzag pattern by the guide rolls (5) which reciprocate from side to side in this way.

As described above, once the tape seedlings have been stacked and stored in multiple stages, they are mounted on a traveling machine (not shown) and used for planting work, as shown in FIGS. 3 and 4.

Next, the tape seedling transplanter will be explained. As shown in FIG. 3, the tape seedlings stored in the seedling storage case (4) in a tapered manner are fed out downward via the guide roll (4A) at the upper end of the seedling storage case (4), and the seedlings are fed out through the separating device. (35)
droops down to. At this time, the crop seedling bundle (a) is delivered in a tilted posture along the lateral direction of the machine, and midway through, the crop seedling bundle (a) is turned into a tilted posture facing forward and backward.

The crop seedling bundle (a) separated by untying the tape (2) and the twine (9) in the separation device (35) falls and is transferred to the planting device (13), where it is separated. It is planted on the field.

The separating device (35) includes a tape winding roller (36) that winds the tape (2), a yarn winding roller (37) that unwinds and winds the yarn (9), and a tape seedling that hangs down from the front to the rear of the machine. It consists of a pair of left and right sponge belt type transport units (38A) and (38B) that grip and transport the paper, and the left transport unit (38A) is the drive system.

And these transport units (38A) and (38B)
The tape (2) and the thread (9) are separated at the lower end of the tape (2) and the crop seedling bundle (a) falls away from the tape (2). The tape take-up roller (36) and the thread winding roller (37) are equipped with slip devices f (11) and (12), respectively, and rotate at a higher speed than the feeding speed of the tape (2). ) and thread (9). Or, thread (
The speed at which the tape 9) is wound is set to be faster than the rotational speed of the tape winding roller (36) in consideration of the length of winding the tape (2).

A planting device (13) is arranged below this separation device (35), and a feed case (
14) is supported by an elevating link (15) at the rear end of the traveling machine (not shown), and the seedling storage case (2), separation device (35), and planting device (13) are supported by the feed case (14). ), soil leveling float (16), etc. are connected to form a tape seedling transplanter.

As shown in FIGS. 3 and 4, the planting device (13)
The transmission case (17) extends rearward from the rear surface of the feed case (14), and the transmission case (1
7) Separate bags located on both sides of the power take-off part at the rear end!
(35) Left and right elastic clamping rotating bodies (18A) that receive the released seedlings and rotate while holding the stem tip of the crop seedling bundle (a) and release the seedlings onto the field surface.

(18B) and these left and right elastic clamping rotating bodies (18A)
A first small-diameter roll-shaped push tool (1
9), a forked rod-shaped opening tool (20) that separates the clamping surfaces of the left and right elastic clamping rotors (18A) and (18B) in the vicinity of the discharge onto the field surface, and the forked rod-shaped opening tool (20). and a second small-diameter roll-shaped push tool (21) that maintains the separated state until the crop seedling bundle (a) receives and holds the bundle (a). Here, the left and right elastic clamping rotating bodies (18^), (
18B) is a thick rubber plate, which receives and holds the tip of the stem of the dropped crop seedling bundle (a) when the machine is tilted forward and backward, rotates downward, and rotates downward so that the crop seedling bundle (a) When the crop is in the vertical position, the pushing action of the first small-diameter roll-shaped pushing tool (19) is released, and the crop seedling bundle (a) is released and planted. And these elastic clamping rotating bodies (18A) and (18B)
A receiver (39) is provided to temporarily catch the root of the separated crop seedling bundle (a) at the position where the machine starts holding the separated crop seedling bundle (a), and the separated crop seedling bundle (a) is tilted forward and backward. Once the support is stopped in the posture, the elastic clamping rotating body (18A),
The structure is such that the stem tip holding action in (18B) can be performed as expected.

In the figure, (22) indicates the left and right elastic clamping rotating bodies (18A).
) and (18B) are a pair of left and right rod-shaped guides that guide the rotating crop seedling bundle (a) onto the field surface. (27) is a furrowing device that forms a planting site for the crop seedling bundle (a).

(Another Example) ■ The mechanism (23) for changing the relative position in the width direction between the sewing mechanism (23) and the tape (2) may have a form in which only the sewing mechanism (23) side is moved, or a form in which both the sewing mechanism (23) and the tape (2) are moved. (
23) and (2) Any form that allows both to move may be adopted.

■ As for the method of sewing the thread (9), other than chain stitching, lock stitching or other methods may be used.

The conveying device (1) for the crop seedling bundle (a) may be in the form of a belt with protrusions.

Incidentally, although reference numerals are written in the claims section for convenient comparison with the drawings, the present invention is not limited to the structure shown in the accompanying drawings.

[Brief explanation of drawings]

The drawings show an embodiment of the tape seedling making device according to the present invention,
1 is an overall side view, FIG. 2 is a front view showing the relative position changing mechanism, FIG. 3 is a side view of the tape seedling transplanter, and FIG. 4 is a rear view of the tape seedling transplanter. (2)...Tape, (9)...Thread, (
23)...Sewing mechanism, (30)...
- Relative position change mechanism, (a)... Crop seedling bundle.

Claims (1)

[Claims] The crop seedling bundles (a) arranged at predetermined intervals along the longitudinal direction of the tape (2) are sewn onto the tape (2) by a sewing mechanism (23) that moves relative to the longitudinal direction of the tape (2). ) with thread (9) sewn into said tape (
2) is a tape seedling making device for making tape seedlings by sewing on a tape seedling (2), the sewing mechanism (23) and the tape (2)
) and a mechanism (30) for changing the relative position of at least one of the tape (2) in the width direction of the tape (2).